chore: update TypeScript to 5.9 (#37182)

mxschmitt · web-flow · commit 64983cf0ecdc · 2025-08-26T17:56:22.000+02:00
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -95,7 +95,7 @@
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
     "ssim.js": "^3.5.0",
-    "typescript": "^5.8.2",
+    "typescript": "^5.9.2",
     "vite": "^6.3.4",
     "ws": "^8.17.1",
     "xml2js": "^0.5.0",
diff --git a/packages/playwright-ct-core/src/router.ts b/packages/playwright-ct-core/src/router.ts
@@ -105,7 +105,7 @@ export class Router {
         headers.append(name, value);
 
       const buffer = request.postDataBuffer();
-      const body = buffer?.byteLength ? new Int8Array(buffer.buffer, buffer.byteOffset, buffer.length) : undefined;
+      const body = buffer?.byteLength ? new Int8Array(buffer.buffer as ArrayBuffer, buffer.byteOffset, buffer.length) : undefined;
 
       const newRequest = new Request(request.url(), {
         body: body,
